64564555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 90201600

約数和(自身を除く): 25637045

約数列:

[1, 5, 11, 17, 55, 85, 187, 199, 347, 935, 995, 1735, 2189, 3383, 3817, 5899, 10945, 16915, 19085, 29495, 37213, 64889, 69053, 186065, 324445, 345265, 759583, 1173901, 3797915, 5869505, 12912911, 64564555]

約数ペア:

[(1, 64564555), (5, 12912911), (11, 5869505), (17, 3797915), (55, 1173901), (85, 759583), (187, 345265), (199, 324445), (347, 186065), (935, 69053), (995, 64889), (1735, 37213), (2189, 29495), (3383, 19085), (3817, 16915), (5899, 10945)]